We have done all the hard work and spent a lot of money in research for you and these parts that I am now selling are the best and will be the right type of upgrade that will give you the best benefits.
YOU ARE BUYING:
# Top quality M4A1 GEN8 t-piece. Use to attach an alloy barrel.
# Make sure to use hot glue or at least electrical tape around outer edge join between the T-Piece and the barrel for a good seal. Ask me for detailed instructions if you need to.